Anne Rooney writes non-fiction for children and adults, and fiction for children. She has written more than 100 non-fiction books, many of them on topics in science and technology. She has also taught at the Universities of Cambridge and York, and has been a Royal Literary Fund Fellow and Lector.

Dr Robert Stevenson is a consultant historian who served in the Australian Regular Army before joining the staff at the University of New South Wales, Canberra, and later working with the Official History project at the Australian War Memorial. His doctoral thesis was a joint winner of the Australian Army History Unit’s CEW Bean Prize in 2011. His most recent major publication, The War with Germany, was published as part of The Centenary History of Australia and the Great War and was shortlisted for the Australian History Prize in the Prime Minister’s Literary Awards for 2016.